Home / 189,535.09-261,551.55-104,650.33

Finding the Fourth Proportional to 189,535.09, 261,551.55 and 104,650.33

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Solution

The fourth proportional to 189,535.09, 261,551.55 and 104,650.33 is: 144,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535.09 : 261,551.55 = 104,650.33 : x
  2. Step 2: Convert to fraction form
    189,535.09/261,551.55 = 104,650.33/x
  3. Step 3: Cross multiply
    189,535.09x = 261,551.55 × 104,650.33
  4. Step 4: Simplify right side
    189,535.09x = 27,371,454,711.75
  5. Step 5: Solve for x
    x = 27,371,454,711.75/189,535.09
  6. Step 6: Final answer
    x = 144,413.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.